New timing chain, can't get distributor to line up

Lots of good advice. Dot 12 and dot 6 means your on #6 cylinder firing. If dots 12 and 12 then it's on #1 firing. Distributor doesnt need to point to front of engine, BUT it's a huge help with running wires and adjusting distributor timing. Verify Tdc with a piston stop or long straw in cylinder. Also verify balancer hasn't spun.